850FS20-25 25mm Dia. 850nm Bandpass Filter, HBW 20nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Andover Corporation
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 860 nm
- Cut On Frequency
- 840 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4524982859534705
- λ
- 850 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
850FS20-25 25mm Dia. 850nm Bandpass Filter, HBW 20nm
The 850FS20-25 is a Bandpass Filter with a center wavelength of 850nm and a half-bandwidth of 20nm. This filter is sourced from Andover Corporation, a renowned vendor in the optical industry. The filter is designed with a circular base shape and a diameter of 25mm, making it suitable for a wide range of optical applications.
The filter is constructed with a thickness of 5.9mm and features a UVFS MAL-1965 material ID. The cut-on wavelength is 840nm, and the cut-off wavelength is 860nm, ensuring a tight bandpass around the central wavelength. The coating on both the front and back surfaces of the filter is AND 850FS20, providing excellent optical performance.
The 850FS20-25 filter is designed in a Thin Lens shape, offering versatility in optical system design. The filter is currently in stock and available for immediate purchase through the Andover Corporation website. For more information and detailed specifications, users are encouraged to visit the provided weblink.